Manufacturer Part Number
25LC640A-E/ST
Manufacturer
Microchip Technology
Introduction
The 25LC640A-E/ST is a 64Kbit serial EEPROM device from Microchip Technology, designed for storage applications where low-power and low-voltage operation are essential.
Product Features and Performance
Non-Volatile EEPROM Memory
64Kbit Memory Size
SPI Memory Interface for high-speed data transfer
8K x 8 Memory Organization for efficient data management
Operates at Clock Frequencies up to 10 MHz for quick access and writing times
5ms Write Cycle Time for Word, Page, allowing for rapid data storage
Voltage Supply Range: 2.5V to 5.5V for versatile power supply options
Operational Temperature Range: -40°C to 125°C for reliability in extreme conditions
Surface Mount Package for compact board designs
Product Advantages
SPI Interface ensures compatibility with a wide range of microcontrollers and processors.
Wide voltage and temperature range make it suitable for harsh environment applications.
Fast write cycle time enhances device performance for time-sensitive applications.
Key Technical Parameters
Memory Type: EEPROM
Memory Size: 64Kbit
Memory Interface: SPI
Clock Frequency: 10 MHz
Write Cycle Time: 5ms
Voltage Supply: 2.5V ~ 5.5V
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Robust design ensuring high reliability and long-term data retention.
Manufactured to meet standard quality and safety requirements for semiconductor devices.
Compatibility
Compatible with SPI protocol for easy integration with most microcontrollers and digital systems.
Application Areas
Embedded systems
Consumer Electronics
Automotive applications
Industrial controls
Data logging systems
Product Lifecycle
Product Status: Active
The device is currently in production with no immediate plans for discontinuation, ensuring long-term availability for future projects.
Several Key Reasons to Choose This Product
Broad compatibility with microcontroller-based systems due to SPI interface.
Suitable for applications requiring operation in extreme temperatures and voltage conditions.
High-speed data access and storage capabilities.
Microchip Technology's reputation for producing reliable and durable EEPROM products.
Availability of comprehensive technical support and documentation from Microchip Technology.